It connects the book's ideas about early bicycle variations.
In the Metamorphosis, Kafka makes it evident that Gregor endures a hellish existence as a bug. He works hard all the time, doesn't really have any kind of life, besides providing for his family and being very depressed, so when he is turned into a cockroach, his whole life turns upside down.
Objective
An argument based on logic and reason rather than emotion
and personal opinion is best described as objective. This type of argument
often has to do with logos, that is, reason, evidence and logic. These generally
deal with material questions or things that can be sensed or measured; things
that are associated with the real outside world, outside of oneself. The other
choices in this question: rhetoric, biased and weak do not fit with the
description that was given in the question.